Thomas McKean Thompson McKennan

Thomas McKean Thompson McKennan (31 March 1794-9 July 1852) was a member of the US House of Representatives (W-PA 15) from 4 March 1831 to 3 March 1833 (succeeding William McCreery and preceding Andrew Beaumont) and from PA 21 from 4 March 1833 to 3 March 1839 (preceding Isaac Leet) and from 30 May 1842 to 3 March 1843 (succeeding Joseph Lawrence and preceding William Wilkins), and Secretary of the Interior from 15 to 26 August 1850 (succeeding Thomas Ewing and preceding Alexander Hugh Holmes Stewart).

Biography
Thomas McKean Thompson McKennan was born in New Castle, Delaware in 1794, and he became a lawyer in Washington DC in 1814. He served as Attorney General of Pennsylvania from 1815 to 1816 and on the town council of Washington, Pennsylvania from 1818 to 1830, when he was elected to the US House of Representatives. He served in the House from 1831 to 1839 and from 1842 to 1843, and he reluctantly accepted the post of Secretary of the Interior under President Millard Fillmore before resigning due to his nervous temperament. He died in 1852.